<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        let xhr = new XMLHttpRequest();
        xhr.open('GET', 'http://www.liulongbin.top:3006/api/getbooks');   //把要传的参数写在url地址这里例如：?id=2或?id=1&author=xxx
        xhr.send();
        xhr.onreadystatechange = function () {
            if (xhr.readyState == 4 && xhr.status == 200) {
                console.log(xhr.responseText);
                const book = JSON.parse(xhr.responseText);
                console.log(book);
            }
        }
    </script>
</body>

</html>